3D-printed Bi 2 Te 3 -based thermoelectric devices with phase-change heat sinks: toward efficient energy harvesting and ultra-fast temperature sensing

Key Points

• This research aims to improve energy harvesting and temperature sensing using Bi2Te3-based thermoelectric devices with phase-change materials.
• Utilized direct ink writing (DIW) for 3D printing of a Bi2Te3 device.
• Incorporated a phase-change material (PCM) heat sink to enhance thermal management.
• Integrated the device into a wireless temperature alarm system for IoT applications.
• Achieved a 150% increase in output power due to enhanced thermal gradient.
• Successfully demonstrated integration into a self-powered IoT temperature alarm.